D - Textiles – Paper – 21 – C
Patent
D - Textiles, Paper
21
C
D21C 7/08 (2006.01) D21C 3/22 (2006.01)
Patent
CA 2189296
An object of the present invention is a method and apparatus for improving a batch cooking process. A method and apparatus according to the invention are especially suitable for improving for example modern Superbatch and RDH processes, i.e. so called displacement batch cooking processes. Said improvement is related to discharging the cooked pulp from a digester. A method according to the invention is characterized by discharging the pulp from the digester (100) by pumping it by means of a discharge pump (110) arranged separately for each digester (110).
Iivonen Mauno
Koso Arto
Pikka Olavi
Pursiainen Seppo
Turunen Esko
Andritz-Ahlstrom Oy
Gowling Lafleur Henderson Llp
Iivonen Mauno
Koso Arto
Oy Metsa Botnia Ab Joutseno Pulp
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